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Effect of the pseudogap on the uniform magnetic susceptibility of Y1-xCaxBa2Cu3O7-d | | S. H. Naqib
; J. R. Cooper
; | | Date: |
20 Jun 2006 | | Subject: | Superconductivity | | Abstract: | The effects of planar hole content, p, on the temperature-dependent uniform (q = 0) magnetic susceptibility, c(T), of polycrystalline Y1-xCaxBa2Cu3O7-d compounds with 0.0 </= x </= 0.20 were investigated over a wide range of oxygen deficiency (d). Systematic variations in c(T) were found with changing p. The characteristic pseudogap temperature scale, Eg(p)/kB, was extracted from the analysis of the c(T,p) data. We have found clear evidence that the pseudogap in the quasi-particle spectral weight appears abruptly at a planar hole content of p ~ 0.19, and that it grows rapidly with decreasing p. | | Source: | arXiv, cond-mat/0606519 | | Services: | Forum | Review | PDF | Favorites | |
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